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If the drive output of a gantry with drive motors is distributed over multiple axes to achieve a more compact design and enhanced motion, these motors can be operated cost-optimized in parallel with a converter with an appropriate total power rating. The Motor Multi Connection Modules are used to protect the individual motors from the total power of the converter. Motor Multi Connection Modules contain the motor circuit breakers. Each motor circuit breaker protects one motor. Several motor circuit breakers are connected in parallel on the input side into a section for connection to a Motor Module. The Motor Multi Connection Modules can be equipped with optional analog measuring instruments built into the cabinet door for indicating the current motor currents and current output voltage of the Motor Modules.
In total, 4 control cabinet versions are available for connecting 12, 16, 20 or 24 motors with an appropriate number of motor circuit breakers. The motor circuit breakers are designed for a rated current of 45 A to 63 A. The motor circuit breakers are always connected at the input side into 4 groups of 3, 4, 5 or 6 motor circuit breakers for connection to Motor Modules. Up to 2 Motor Modules can be connected to one Motor Multi Connection Module for operating up to 2 sections of motors connected in parallel. As an option, depending on the control cabinet version, 12, 16, 20 or 24 ammeters for indicating the motor currents as well as 2 voltmeters for indicating the output voltages of the Motor Modules can be integrated in the cabinet door of the Motor Multi Connection Module.
The motors and Motor Modules are connected to the Motor Multi Connection Module in accordance with the grouping.
Connection example of a Motor Multi Connection Module
The table below lists the options available for Motor Multi Connection Modules (for details, refer to the section "Description of the options"):
Brief description of options | Additional identification code -Z with order code and plain text if required |
Cranes industry version | B70 |
Measuring instruments in control cabinet door | B80 |
Cabinet anti-condensation heating | L55 |
Base 100 mm high, RAL 7022 | M06 |
Cable compartment 200 mm high, RAL 7035 | M07 |
IP21 degree of protection | M21 |
IP23 degree of protection (includes M60) | M23 |
Side panel (right) | M26 |
Side panel (left) | M27 |
Additional touch protection (included in M23) | M60 |
EMC shield bus | M70 |
DC busbar system (Id = 1170 A, 1 × 60 × 10 mm) | M80 |
DC busbar system (Id = 1500 A, 1 × 80 × 10 mm) | M81 |
DC busbar system (Id = 1840 A, 1 × 100 × 10 mm) | M82 |
DC busbar system (Id = 2150 A, 2 × 60 × 10 mm) | M83 |
DC busbar system (Id = 2730 A, 2 × 80 × 10 mm) | M84 |
DC busbar system (Id = 3320 A, 2 × 100 × 10 mm) | M85 |
DC busbar system (Id = 3720 A, 3 × 80 × 10 mm) | M86 |
DC busbar system (Id = 4480 A, 3 × 100 × 10 mm) | M87 |
Crane transport assembly (top-mounted) | M90 |
Special paint finish for cabinet | Y09 ● and special color RAL .... |
Assembly into transport units at factory | Y11 ● and identification code |
Label for plant identification, 1-line, 40 × 80 mm | Y31 ● and identification code |
Label for plant identification, 2-line, 40 × 180 mm | Y32 ● and identification code |
Label for plant identification, 4-line, 40 × 180 mm | Y33 ● and identification code |
Customer documentation (circuit diagram, terminal diagram, layout diagram) in DXF format | D02 |
Certain options may be mutually exclusive.
Inadmissible option combinations:
M80 | M81 | M82 | M83 | M84 | M85 | M86 | M87 | |
M80 | – | – | ✓ | – | – | – | – | |
M81 | – | – | – | ✓ | – | ✓ | – | |
M82 | – | – | – | – | ✓ | – | ✓ | |
M83 | ✓ | – | – | – | – | – | – | |
M84 | – | ✓ | – | – | – | ✓ | – | |
M85 | – | – | ✓ | – | – | – | ✓ | |
M86 | – | ✓ | – | – | ✓ | – | – | |
M87 | – | – | ✓ | – | – | ✓ | – |
✓ Combination possible
– Combination not possible
Line voltage | Motor Multi Connection Module | ||||
|---|---|---|---|---|---|
Type | |||||
6SL3700-2EE34-0AA3‑Z | 6SL3700-2EE34-0BA3‑Z | 6SL3700-2EE34-0CA3‑Z | 6SL3700-2EE34-0DA3‑Z | ||
Number of motor circuit breakers | 12 | 16 | 20 | 24 | |
Rated current | A | 400 | 400 | 400 | 400 |
Power loss | kW | < 1 | < 1 | < 1 | < 1 |
Cooling air requirement | Convection | Convection | Convection | Convection | |
Sound pressure level LpA | dB | – | – | – | – |
Line supply/load connection | Screw-type terminal 16 mm2 | Screw-type terminal 16 mm2 | Screw-type terminal 16 mm2 | Screw-type terminal 16 mm2 | |
Cable length, max. | |||||
| m | 300 | 300 | 300 | 300 |
| m | 450 | 450 | 450 | 450 |
PE connection | PE bar 600 | PE bar 600 | PE bar 600 | PE bar 600 | |
Degree of protection | IP20 | IP20 | IP20 | IP20 | |
Dimensions | |||||
| mm | 600 | 600 | 800 | 800 |
| mm | 2200 | 2200 | 2200 | 2200 |
| mm | 600 | 600 | 600 | 600 |
Weight, approx. | kg | 240 | 280 | 290 | 300 |
For further information about Motor Multi Connection Modules and for ordering information, see Catalog CR 1 · 2012.
The catalog can be found at http://www.siemens.com/cranes
→ Catalog & ordering system online → Show Catalog/order.
